Diagnostic system and method for testing integrity of stack during ultrasonic welding

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United States of America Patent

PATENT NO 9981337
SERIAL NO

14711115

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Abstract

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A method for testing the integrity of a stack during ultrasonic welding, includes the steps of: (i) ultrasonically welding two or more work pieces with a stack, the stack including a convertor and a horn; (ii) measuring a frequency profile based on a vibration of the horn during the welding step; and (iii) comparing the measured frequency profile to a standard frequency profile to obtain an error rate, the error rate being indicative of a difference between the measured frequency profile and the standard frequency profile. A system employing the aforementioned method is also provided.

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Patent Owner(s)

Patent OwnerAddress
SONICS & MATERIALS INC53 CHURCH HILL ROAD NEWTOWN CT 06470

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Markus, James A Seymour, US 4 24
Massa, John Waterbury, US 6 249
Simon, William P New Milford, US 8 343

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